Three Vouchers & Cashback 2020

Updated December 3, 2020
Getting the best mobile, broadband and SIM plan for your home and handsets is easy with Three! Browse our Three vouchers and Three discount codes for extra savings.
Cashback Rates
£60 cashback
for the unlimited data 12 month SIM plan for £18 per month
6 uses today
£30 cashback
for 12GB for £8 12 month SIM plan
2 uses today
£20 cashback
for the 1GB data 12 month SIM plan for £5 per month
2 uses today
£70 cashback
for Huawei AI Cube with unlimited data on a 24 month contract for £25 per month
£50 cashback
for mobile broadband SIM 24 month plans with 2GB, 5GB, or 10GB of data
£50 cashback
for mobile broadband SIM 12 month plans with 1GB - 20GB of data
£15 cashback
for mobile broadband SIM 1 month plans with 2GB - 100GB of data
£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 24 month contract for £22 per month
£70 cashback
for Huawei AI Cube with unlimited data on a 12 month contract for £32 per month and £49 upfront
£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 12 month contract for £27 per month and £29 upfront
£15 cashback
for Pay As You Go Handsets
£65 cashback
for contract handset on-site offers
£30 cashback
for the 8GB data 12 month SIM plan for £8 per month
£25 cashback
for 4GB for £6 12 month SIM plan
£60 cashback
for the 30GB data 12 month SIM plan for £15 per month
£15 cashback
for the unlimited 1 month SIM plan for £24 per month
£67.50 cashback
iPhone 12 mini 100GB data, £19 upfront cost and £42 monthly
£67.50 cashback
iPhone 12 100GB data, £29 upfront cost and £45 monthly
£67.50 cashback
iPhone 12 Pro 100GB data, £49 upfront cost and £55 monthly
£67.50 cashback
iPhone 12 Pro Max with 100GB data, £79 upfront cost and £59 monthly
£67.50 cashback
for Samsung Galaxy S20, 100GB data, £29 upfront cost and £32 monthly
£67.50 cashback
for Samsung Galaxy S20, 100GB data, £29 upfront cost and £38 monthly
£67.50 cashback
for Samsung Galaxy S20 5G, 100GB data, £29 upfront cost with £36 monthly
£67.50 cashback
for Samsung Galaxy S20+ 5G, 100GB data, £49 upfront cost and £43 monthly
£67.50 cashback
for Samsung Galaxy A51, 100GB data, £19 upfront cost and £23 monthly
£67.50 cashback
for Apple iPhone SE, 30GB data, £19 upfront cost and £29 monthly
£67.50 cashback
for Samsung Galaxy A71, 100GB data, £29 upfront cost and £27 monthly
£67.50 cashback
for Huawei P30 Pro, 100GB data, £29 upfront cost and £29 monthly
£67.50 cashback
for Apple iPhone 11 Pro, 100GB data, £49 upfront cost and £49 monthly
£67.50 cashback
for Apple iPhone SE, 100GB data, £29 upfront cost and £29 monthly
£67.50 cashback
for OnePlus 8, 100GB data, £29 upfront cost and £39 monthly
£67.50 cashback
for OnePlus 8 Pro, 100GB data, £39 upfront cost and £49 monthly
£67.50 cashback
for OnePlus Nord, 100GB data, £29 upfront cost and £34 monthly
£50 cashback
for Apple iPad 7th Generation, 100GB data, 24 month contract for £39 per month with £49 upfront cost
£50 cashback
for Samsung Galaxy Tab A 10.1 2019, 100GB data, 24 month contract for £27 per month
£60 cashback
for the Huawei 4G Mobile WiFi with unlimited data for £22 per month
£50 cashback
for Huawei E5573bs-322 4G Mobile Wi-Fi, 40GB data, 24 month contract for £13 per month
£50 cashback
for Huawei MediaPad T5, 100GB data, 24 month contract for £25 per month
£50 cashback
for Apple iPad Pro 11, 40GB data, 24 month contract for £48 per month with £49 upfront cost

50%
OFF
49 uses today

10-50% off SIM Only plans for existing customers

Browse these Three SIM only plans for savings up to 50% select offers
50% Off
49 uses today

10-50% off SIM Only plans for existing customers

Browse these Three SIM only plans for savings up to 50% select offers

50%
OFF
10 uses today

Student Discount: Free gift plus 50% off select plans for 6 months

Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!
50% Off
10 uses today

Student Discount: Free gift plus 50% off select plans for 6 months

Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!

£80
OFF
5 uses today

Up to £80 off in cash rewards when you refer a friend

Invite your friends and family to get up to £80 off when they sign up for a monthly Three mobile phone, as well as £40 off with SIM only plans and mobile broadband. Grab everyone you know and start saving together!
£80 Off
5 uses today

Up to £80 off in cash rewards when you refer a friend

Invite your friends and family to get up to £80 off when they sign up for a monthly Three mobile phone, as well as £40 off with SIM only plans and mobile broadband. Grab everyone you know and start saving together!

50%
OFF
7 uses today

50% off the first 6 months when you pre-order the Apple iPhone 12 Pro Max

50% Off
7 uses today

50% off the first 6 months when you pre-order the Apple iPhone 12 Pro Max

50%
OFF
3 uses today

Pre-order the Apple iPhone 12 mini and get the first 6 months 50% off

50% Off
3 uses today

Pre-order the Apple iPhone 12 mini and get the first 6 months 50% off

FREE
SIM
4 uses today

Free SIM with Pay As You Go mobile plans

Free SIM
4 uses today

Free SIM with Pay As You Go mobile plans

£20
3 uses today

50GB data pack for £20

£20
3 uses today

50GB data pack for £20

FREE
GIFT
5 uses today

Free Alexa dock included with the Lenovo Smart Tab M10

Free Gift
5 uses today

Free Alexa dock included with the Lenovo Smart Tab M10

TOP UP
7 uses today

Top up your phone here

Three top up right here! Stay safe and do it from the comfort of your own home.
Top Up
7 uses today

Top up your phone here

Three top up right here! Stay safe and do it from the comfort of your own home.

FREE
GB
3 uses today

20GB for the price of 2GB plus 12 months free Apple TV+ with select tablets

Free GB
3 uses today

20GB for the price of 2GB plus 12 months free Apple TV+ with select tablets

FREE
GIFT
3 uses today

Apple TV+ free for a year with select home broadband plans

Free Gift
3 uses today

Apple TV+ free for a year with select home broadband plans

50%
OFF
3 uses today

Bundle the Samsung Galaxy Note 20 Ultra 5G with Buds Live for £40.50 a month (50% off)

50% Off
3 uses today

Bundle the Samsung Galaxy Note 20 Ultra 5G with Buds Live for £40.50 a month (50% off)

FREE
APP
3 uses today

Free app for easy control

Download the Three app for free and manage your account from the tip of your fingers.
Free App
3 uses today

Free app for easy control

Download the Three app for free and manage your account from the tip of your fingers.

50%
OFF
3 uses today

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!
50% Off
3 uses today

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!

FREE
DELIVERY
3 uses today

Free delivery on all your orders

Free Delivery
3 uses today

Free delivery on all your orders

FROM
£5
3 uses today

Data add-ons starting from £5

From £5
3 uses today

Data add-ons starting from £5

£5
3 uses today

New 1GB SIM for £5 includes unlimited calls and texts

£5
3 uses today

New 1GB SIM for £5 includes unlimited calls and texts

FROM
£22
3 uses today

4G & 5G home broadband plans starting from £22

From £22
3 uses today

4G & 5G home broadband plans starting from £22

Popular Expired Three Discount Codes
50% Off
2 uses today

Extra 50% off SIM Only plan with unlimited data fo the first 6 months

Save half price right now with this Three SIM Only offer!
50% Off
5 uses today

Black Friday Sale: 50% off for the first 6 months plus free AirPods with the Apple iPhone 12

£18
2 uses today

100GB for £18 per month with this SIM Only Offer

Catch this Three SIM Only deal and get 100GB for £18!

FAQs with


How do you get the best discount at Three?

The best discounts, deals, and voucher codes can always be found right here at Quidco! You can also browse their exclusive customer offers page, join their mailing list for news about upcoming sales, and choose one of their plan bundles to cut down the cost of your next device!


Does Three do a student discount?

You don't have to sacrifice great cell service when you're on a tight student budget! With a valid academic ID, you can enjoy six months of service at half-price, as well as a free explorer backpack and wireless headphones. Just head to their website for more information on how to save!